31604980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{7561}}^1$

素因数の和:7600

約数の個数: 48

約数和(自身を含む): 76224960

約数和(自身を除く): 44619980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 7561, 15122, 30244, 37805, 75610, 83171, 143659, 151220, 166342, 287318, 332684, 415855, 574636, 718295, 831710, 1436590, 1580249, 1663420, 2873180, 3160498, 6320996, 7901245, 15802490, 31604980]

約数ペア:

[(1, 31604980), (2, 15802490), (4, 7901245), (5, 6320996), (10, 3160498), (11, 2873180), (19, 1663420), (20, 1580249), (22, 1436590), (38, 831710), (44, 718295), (55, 574636), (76, 415855), (95, 332684), (110, 287318), (190, 166342), (209, 151220), (220, 143659), (380, 83171), (418, 75610), (836, 37805), (1045, 30244), (2090, 15122), (4180, 7561)]